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Troubleshooting Oil Leakage and Oil Seepage in Screw-Type Air Compressors

Troubleshooting Oil Leakage and Oil Seepage in Screw-Type Air Compressors
September 20, 2023

Screw-type air compressors are widely used in various industries for their high efficiency and reliability.   However, issues such as oil leakage and oil seepage can occasionally occur, impacting the performance and efficiency of these machines.   In this article, we will explore the common causes of these problems and suggest effective troubleshooting methods to resolve them.

Causes of Oil Leakage and Oil Seepage:

1.   Worn-out or damaged seals: Over time, the seals in the compressor can deteriorate or become damaged, leading to oil leakage or seepage.   This can occur due to improper maintenance, high operating temperatures, or prolonged usage.


2.   Loose fittings or connections: If the fittings and connections in the compressor are not properly tightened, oil can escape from the system, causing leakage or seepage.


3.   Excessive oil level: Adding too much oil to the compressor can result in increased pressure, forcing the oil to escape through seals or other openings.


Troubleshooting Methods:

1.   Regular maintenance: Implementing a regular maintenance schedule is crucial to prevent and address oil leakage and seepage issues.   This includes inspecting and replacing worn-out seals, gaskets, or o-rings, as well as checking for loose fittings and connections.


2.   Oil level management: Ensure that the oil level in the compressor remains within the manufacturer's recommended range.   Regularly check the oil level using the dipstick provided and drain any excess oil if necessary.


3.   Tighten fittings and connections: Inspect all fittings and connections in the compressor to ensure they are properly tightened.   Use the appropriate tools to tighten any loose components, taking care not to overtighten and cause damage.


4.   Monitor operating temperatures: High operating temperatures can accelerate seal deterioration and increase the likelihood of oil leakage or seepage.   Regularly monitor and maintain optimal operating temperatures by ensuring proper ventilation and cooling mechanisms.



Oil leakage and oil seepage in screw-type air compressors can be troublesome, but with proper maintenance and troubleshooting, these issues can be effectively resolved.   By addressing worn-out seals, loose fittings, excessive oil levels, and monitoring operating temperatures, you can ensure optimal performance and extend the lifespan of your compressor.   Remember to consult the manufacturer's guidelines and seek professional assistance if needed.

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